Knight-errant n. : A wandering knight; a knight who traveled in search of adventures, for the purpose of exhibiting military skill, prowess, and generosity.

Example:
What is 'Knight-errant' translated to in Latin?

Taxonomy
knight-errant, knight, adventures, search, free encyclopedia, lord, Chinese knights-errant, wandering, Sir Gawain, Sir Bercilak, lion, cowboy, exploit, service, encounter, Russian knights, Chinese Knight Errant, Errant.

Defination from the web:
knight-errant suggests a sort of lawful or righteous vigilante. A knight-errant typically performed all his deeds in the name of a lady, and invoked her name before performing an exploit. ...